INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6d3991d076d280c535b2deb02045ccf803a9d7f130a6b87e750ce0b9ae3a370', 
    'W2UO7YGTW6FGpuhKueHPhrVPBWfS//teKeXLx0lbaGk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00017

Result

int(1)