UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jnv3n5ZI483j8ej9iafV4WoN6afgdtQ8l24v/j6o5tU=' 
WHERE 
  key_id = '42a5f3bc1b338165e496c87683b576a8f48e0e99fa9d30460d17286b1bef8bd5' 
  AND (
    token = 'jnv3n5ZI483j8ej9iafV4WoN6afgdtQ8l24v/j6o5tU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027