INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '04ca91780def3a8781e7a7a4263203495bab32514d2b5cd2bc636decefc282f6', 
    'khEd9KWCdfSjYckQadJVebRUcuaypssbdAZ0Y0n4WFg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)