UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e7hz6V6HUrVVho9p1Sgn5/rqNOS0qT+/SR5+BcZpQbw=' 
WHERE 
  key_id = '51946c3add40e16579c35efcc7b020d78162fad78cf077a512807a035db611d1' 
  AND (
    token = 'e7hz6V6HUrVVho9p1Sgn5/rqNOS0qT+/SR5+BcZpQbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )