UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMQ6tbJPfLVCI9/TTp6CgiANvfsYshKnQZoSht9K6+s=' 
WHERE 
  key_id = '9739c354debdd0ef93adbd757f5a9270d5b8b68c5df4ae5ae2b785ebb3cd9921' 
  AND (
    token = 'RMQ6tbJPfLVCI9/TTp6CgiANvfsYshKnQZoSht9K6+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )