UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EXma5Umm6egmhs7Pqu4t44vRyUKRw4y2g6j7RP4pJWc=' 
WHERE 
  key_id = '45c34913321b7745b6d4ffbe763f0bff371eea551943f274f1202fef1f02383b' 
  AND (
    token = 'EXma5Umm6egmhs7Pqu4t44vRyUKRw4y2g6j7RP4pJWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )