UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FV6KAX0IzTBCvp8fm1GqxwUVfi8wKTqtGyN7VHMHjQ8=' 
WHERE 
  key_id = '79f51ab835b41f670de790251032d53aff37b05b6c9c9cbb4fbaa0a135df58fc' 
  AND (
    token = 'FV6KAX0IzTBCvp8fm1GqxwUVfi8wKTqtGyN7VHMHjQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039