UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KX7JaVJ3fAlhmIdzgI1t5bMeV3ebXHbz8UIkOoVr9x4=' 
WHERE 
  key_id = '1e3a21f0eafc06d726c05a1252eb3f67a6e795284ef48622968ca64de3e69038' 
  AND (
    token = 'KX7JaVJ3fAlhmIdzgI1t5bMeV3ebXHbz8UIkOoVr9x4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033