UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l6hME8t6i/4RLPooHnAYIq38meqCW1DYgiuPawKB1F8=' 
WHERE 
  key_id = '3339b812621fd2331bf042a0f20918a4f7a6556eeece875d1bcd62c7047b129c' 
  AND (
    token = 'l6hME8t6i/4RLPooHnAYIq38meqCW1DYgiuPawKB1F8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )