UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tGIg2C9fHEtvbL1VlX6zuJIs8red5P0So42+Y17FfT8=' 
WHERE 
  key_id = 'ec19a0b58d2623a096ac1b9f5d5d2720d8ffd4037ce966229f6c59bd65f84e2a' 
  AND (
    token = 'tGIg2C9fHEtvbL1VlX6zuJIs8red5P0So42+Y17FfT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037