UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '815bnzF2u3mK5q9GJwOFlScbuGbpRI/Q7Uq9PCL9dsE=' 
WHERE 
  key_id = 'c1475c6dd7a8c5e5fd1ddc284446b31f5355c19299cd8e2a23843b1ba39e952e' 
  AND (
    token = '815bnzF2u3mK5q9GJwOFlScbuGbpRI/Q7Uq9PCL9dsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029