UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xwp8AG20JzCVTixkMWS2fY620yXSy8oXMNH729sccqQ=' 
WHERE 
  key_id = '794fdbb5e7b621685b3cd20d4337a6b1b0dd23bdd16fec637b11b5dee21434de' 
  AND (
    token = 'Xwp8AG20JzCVTixkMWS2fY620yXSy8oXMNH729sccqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )