UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mPNrLiL28rFTtpEQXN8Q6ywV7W4u59ohL2nnTwCSbU0=' 
WHERE 
  key_id = 'e21f1c060f486aef58437dba96e84f349a3908a3a2c6e634c3788da0fe20c53c' 
  AND (
    token = 'mPNrLiL28rFTtpEQXN8Q6ywV7W4u59ohL2nnTwCSbU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )