UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wzvAA5Ya07wwL50nK7L9anSgRm/IXJ3jpSgYNxoo+0Y=' 
WHERE 
  key_id = 'c4b2f02b1a90c997137d2face0925050a64b762339b9d98143753789649603ad' 
  AND (
    token = 'wzvAA5Ya07wwL50nK7L9anSgRm/IXJ3jpSgYNxoo+0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )