UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R4T5Lb1MK37a8152wIbiyUhdqCIQkjGe0z3fzyRCHXo=' 
WHERE 
  key_id = '15b537052c1404f3f608785218a3fdd1b40990a0efba6b9bddc643e60013d3e7' 
  AND (
    token = 'R4T5Lb1MK37a8152wIbiyUhdqCIQkjGe0z3fzyRCHXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )