UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AAJtm3NYOEs6XDgqXyfybHc78W8Oqdu/3LSZRAD3VNo=' 
WHERE 
  key_id = '40fcac160e81d53068cdc61a89b5686b588423a38fcbaf8d169124d7749fced2' 
  AND (
    token = 'AAJtm3NYOEs6XDgqXyfybHc78W8Oqdu/3LSZRAD3VNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038