UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yt4KUP+n8Z/KBb3XYkz67feSr45MFXCV8eodR76BAkA=' 
WHERE 
  key_id = 'be5e20a74e26f2cdf1916d29f01554b8cdb0b066010ca4e2cb6e781eaf9fba05' 
  AND (
    token = 'yt4KUP+n8Z/KBb3XYkz67feSr45MFXCV8eodR76BAkA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038