UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1lSBYPeUt1y4z1qjCCW2hb9QWoijwBJIyYO3j50bsg=' 
WHERE 
  key_id = '51f620fcdf8627a85382c6f0d2a68438e4b7ea383933ac432d109036bb940a23' 
  AND (
    token = 'r1lSBYPeUt1y4z1qjCCW2hb9QWoijwBJIyYO3j50bsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )