Delete row 34 from bookings

id 34
trainer_id 10
student_id 15
service_key zehnerkarte_einlosung
starts_at 2026-06-19 10:00:00
duration_min 50
card_id 7
invoice_id NULL
video_analysis NULL
notes Eisen + erste kurze Pitches
status completed
created_at 2026-06-16 13:44:24
protocol {"summary":"Wiederholung Eisen-Setup ( ...
protocol_approved_at 2026-06-20 01:44:24
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