UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMZCfUhBSY80laT1AtLhnTA7Pc7QXEUGtJfzIuNh4Xs=' 
WHERE 
  key_id = 'b3774a625a5ea05038322667cc717773655964de14067d73361b1026c827e4dd' 
  AND (
    token = 'RMZCfUhBSY80laT1AtLhnTA7Pc7QXEUGtJfzIuNh4Xs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045